diff --git a/package.json b/package.json
index dd4c4ca1..f31c87d0 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   },
   "devDependencies": {
     "browserify": "^16.2.2",
-    "chalk": "^2.4.1",
+    "chalk": "^4.1.2",
     "commitizen": "^3.0.7",
     "eslint": "^4.19.1",
     "eslint-config-mailonline": "^9.0.0",
diff --git a/yarn.lock b/yarn.lock
index 5d03f6ff..4b39ddc1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -145,6 +145,12 @@ ansi-styles@^3.2.1:
   dependencies:
     color-convert "^1.9.0"
 
+ansi-styles@^4.1.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-4.3.0.tgz#edd803628ae71c04c85ae7a0906edad34b648937"
+  dependencies:
+    color-convert "^2.0.1"
+
 argparse@^1.0.7:
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
@@ -512,7 +518,7 @@ chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.1.0, chalk@^2.3.2, chalk@^2.4.1:
+chalk@^2.0.0, chalk@^2.1.0, chalk@^2.3.2:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
   dependencies:
@@ -520,6 +526,13 @@ chalk@^2.0.0, chalk@^2.1.0, chalk@^2.3.2, chalk@^2.4.1:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
+chalk@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-4.1.2.tgz#aac4e2b7734a740867aeb16bf02aad556a1e7a01"
+  dependencies:
+    ansi-styles "^4.1.0"
+    supports-color "^7.1.0"
+
 chardet@^0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.4.2.tgz#b5473b33dc97c424e5d98dc87d55d4d8a29c8bf2"
@@ -597,10 +610,20 @@ color-convert@^1.9.0:
   dependencies:
     color-name "^1.1.1"
 
+color-convert@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
+  dependencies:
+    color-name "~1.1.4"
+
 color-name@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
 
+color-name@~1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
+
 combine-source-map@^0.8.0, combine-source-map@~0.8.0:
   version "0.8.0"
   resolved "https://registry.yarnpkg.com/combine-source-map/-/combine-source-map-0.8.0.tgz#a58d0df042c186fcf822a8e8015f5450d2d79a8b"
@@ -1492,6 +1515,10 @@ has-flag@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
 
+has-flag@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-4.0.0.tgz#944771fd9c81c81265c4d6941860da06bb59479b"
+
 has-value@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/has-value/-/has-value-0.3.1.tgz#7b1f58bada62ca827ec0a2078025654845995e1f"
@@ -3139,6 +3166,12 @@ supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
 
+supports-color@^7.1.0:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-7.2.0.tgz#1b7dcdcb32b8138801b3e478ba6a51caa89648da"
+  dependencies:
+    has-flag "^4.0.0"
+
 syntax-error@^1.1.1:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/syntax-error/-/syntax-error-1.4.0.tgz#2d9d4ff5c064acb711594a3e3b95054ad51d907c"